CN107185953A - A kind of prosthetic device and method for extracting heavy metal in soil - Google Patents
A kind of prosthetic device and method for extracting heavy metal in soil Download PDFInfo
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- CN107185953A CN107185953A CN201710471107.8A CN201710471107A CN107185953A CN 107185953 A CN107185953 A CN 107185953A CN 201710471107 A CN201710471107 A CN 201710471107A CN 107185953 A CN107185953 A CN 107185953A
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- water
- soil
- extract
- exchange resin
- heavy metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of prosthetic device for extracting heavy metal in soil, including soil sample processing system, the outlet of soil sample processing system is connected with intensified by ultrasonic wave extracting system, the mud mouth of intensified by ultrasonic wave extracting system is connected with sludge-water separating system, the delivery port of intensified by ultrasonic wave extracting system is connected with extract processing reutilization system, and the recycle-water of sludge-water separating system is connected to the porch that extract handles reutilization system, the recycle-water of extract processing reutilization system is connected to the water inlet of intensified by ultrasonic wave extracting system.The present invention can efficiently extract heavy metal in soil again can convenient recycling extractant reduction rehabilitation cost reduction secondary environmental pollution.
Description
Technical field
Field is repaired the invention belongs to heavy metal pollution of soil, and in particular to a kind of reparation dress of extraction heavy metal in soil
Put and method.
Background technology
Soil is one of topmost natural resources that the mankind depend on for existence and development.With the hair of human social economy
Exhibition, because atmosphere dried wet deposition, sewage irrigation and agriculture chemical such as largely use to be on the rise at China's soil pollution.According to environmental protection
Official of portion reports that China arable land there are about 1/5 and be polluted in various degree, and wherein cadmium is one of major pollutants.Soil pollution is
National food security seriously is threatened, if unreasonable control, pollutant causes huge by food chain transmission to health
Influence.State Council issues within 2015《Soil Pollution Control action plan》(referred to as " ten, soil "), subsequent each province and city area
Issue " ten, the soil " for meeting local reality in succession, and lex specialis of first, the China on soil pollution-《Soil is dirty
Contaminate anti-therapy》Also it will put into effect, this explanation soil pollution has caused the great attention of the Party Central Committee and State Council, soil remediation
It is very urgent.
Although traditional soil moved in improve the original, soil removal and replacement or deep ploughing are digged etc., peripheral doses means processing speed is fast, effect significantly, pollution
Soil is not handled, and simply heavy metal is ploughed deeply to depth of soils or is transferred to elsewhere.Joined using plant or microorganism
Although landfill can be come out by closing restorative procedure, this method long processing period, residual quantity of heavy metal is big, and cost is relative
It is higher.Although the heavy metal in soil can be fixed using curing/stabilizing technology, reduce its biological effectiveness and migration,
But it is applicable the place that soil types is narrower, is not suitable for farmland or is planted again after repairing.
Dystopy Soil leaching/extraction recovery technique is a kind of physical chemistry isolation technics, can be effectively by pollutant from soil
Removed in earth, reduce the potential risk to underground water pollution, remediation efficiency is high, and treatment cost is low, and is easily achieved system control
System and discarded object minimizing, oneself turns into one of focus direction that contaminated soil fast repair technique is studied.But problems faced is
The tradition stirring extracting operation time is long, and extraction is incomplete, and some efficient extractants (such as chelating reagent, surfactant) are no
Easily recycling, extractant remains in soil and easily causes secondary pollution to environment.
The content of the invention
It is an object of the invention to provide a kind of prosthetic device and method for extracting heavy metal in soil, to overcome existing skill
The problem of in art, the present invention can efficiently extract heavy metal in soil again can convenient recycling extractant.
To reach above-mentioned purpose, the present invention is adopted the following technical scheme that：
A kind of prosthetic device for extracting heavy metal in soil, including soil sample processing system, the outlet of soil sample processing system connect
Intensified by ultrasonic wave extracting system is connected to, the mud mouth of intensified by ultrasonic wave extracting system is connected with sludge-water separating system, and ultrasonic wave is strong
The delivery port for changing extracting system is connected with extract processing reutilization system, and the recycle-water of sludge-water separating system is connected to extraction
Liquid handles the porch of reutilization system, and the recycle-water of extract processing reutilization system is connected to intensified by ultrasonic wave extracting system
Water inlet.
Further, described soil sample processing system includes soil sample pulverizer, and the port of export of soil sample pulverizer is connected with rolling
Shaft screen, the port of export of rotary screen is connected to the charging aperture of intensified by ultrasonic wave extracting system by conveyer belt.
Further, described intensified by ultrasonic wave extracting system includes elution groove, and charging aperture is arranged on the side of elution groove,
The opposite side for eluting groove is connected to extract processing reutilization system by eluting groove discharge outlet, and the top of elution groove is provided with elution
Groove water-locator, the top of elution groove water-locator is provided with water inlet, and the bottom of elution groove water-locator is provided with ultrasonic probe
Paddle agitator, the bottom of elution groove is connected to sludge-water separating system by eluting groove mud discharging mouth.
Further, described sludge-water separating system includes being arranged on the hydrocyclone separation technology on the downside of elution groove mud discharging mouth
Device, the bottom of hydrocyclone is connected to soil recovery pond after reparation, waterpower rotation by hydrocyclone mud discharging mouth
The side of stream separator is connected with collecting-tank by hydrocyclone discharge outlet, and the port of export of collecting-tank is connected to extract
Handle the porch of reutilization system.
Further, described extract processing reutilization system includes being provided with the top of filter plant, filter plant
The port of export of filter plant water-locator, elution groove discharge outlet and collecting-tank is connected to the top entry of filter plant water-locator,
The bottom of filter plant is connected to ion exchange resin tank by filter plant discharge outlet, and the top of ion exchange resin tank is provided with
Ion exchange resin tank water-locator, filter plant discharge outlet is connected to the top entry of ion exchange resin tank water-locator, ion
The bottom of exchanger resin tank is connected with extract collecting-tank, the outlet of extract collecting-tank by ion exchange resin tank discharge outlet
End is connected to the water inlet at the top of elution groove water-locator.
Further, the port of export of elution groove discharge outlet and collecting-tank is connected to filter plant water-locator by booster pump
Top entry.
Further, the port of export of extract collecting-tank is connected at the top of elution groove water-locator by elevator pump enters water
Mouthful, and it is provided with flowmeter between water inlet at the top of elevator pump and elution groove water-locator.
Further, the first filter screen, the second filter screen and the 3rd filter screen are disposed with filter plant from top to bottom；Ion
The first ion exchange resin unit, the second ion exchange resin unit and the 3rd are disposed with exchanger resin tank from top to bottom
Ion exchange resin unit.
Further, the side of filter plant is provided with the first visuable door, and the side of ion exchange resin tank can provided with second
Depending on door.
A kind of method for extracting heavy metal in soil, using the prosthetic device of above-mentioned extraction heavy metal in soil, pollution
After soil sample is pre-processed through soil sample processing system, intensified by ultrasonic wave extraction is carried out into intensified by ultrasonic wave extracting system, soil sample weight is treated
After metal detection is up to standard, extract is discharged in extract processing reutilization system, the soil sample after extraction is discharged to mud-water separation system
In system, the water sample after separation is also discharged in extract processing reutilization system, and the extraction that reutilization system is reclaimed is handled through extract
Take liquid to be discharged into intensified by ultrasonic wave extracting system to reuse.
Compared with prior art, the present invention has following beneficial technique effect：
After the present invention handles soil sample through soil sample processing system, extracted using intensified by ultrasonic wave extracting system, solid
Part is separated through sludge-water separating system, and liquid portion is reclaimed through extract processing reutilization system, can efficiently be extracted
Fetch earth in earth cadmium again can convenient recycling extractant, the ultrasonic wave that the present invention is used in addition can be produced inside solution to shake strongly
Dynamic stirring action and ultrasound cavitation effect, directly act on sample interior.In the technique of extraction heavy metal in soil, by ultrasound
Ripple is strengthened to be combined with tradition elution heavy metal technology, and Optimization for Ultrasonic Wave operational factors, makes sample interior shaken well, short time
Required effect is can reach, the consumption of eluent is reduced, overcomes the traditional oscillators operating time long, uneven etc. ask is vibrated
Topic, improves extraction efficiency.In addition, the present invention both can be returned efficiently using heavy metal in ion exchange resin separating and extracting liquid
Heavy metal in extract is received, extract can be recycled again reduces traditional heavy-metal contaminated soil extracting process and cause secondary dirt
The cost that the risk and heavy-metal contaminated soil of dye are repaired.
Further, elution groove water-locator is set in elution groove upper end, can reach the effect of extensive water distribution.
Further, by paddle agitator and ultrasonic probe one, extract both can have efficiently been made to be mixed simultaneously with soil
Concussion is uniform, improves effect of extracting.
Further, ion exchange resin tank upper end sets ion exchange resin tank water-locator, can reach extensive water distribution
Effect.
Further, by setting the first ion exchange resin unit, the second ion exchange resin unit, the 3rd ion to hand over
Resin unit is changed, the ion exchange resin in it can be adjusted according to the variety exchanging of extractant and heavy metal, efficiently can quickly be reached
To the separation of heavy metal and extract.
Further, the first ion exchange resin unit, the second ion exchange resin unit, the 3rd ion exchange resin list
First right side opens up the producing level that ion exchange resin is can detect in visuable door, running, can be timely if reaching degree of saturation
Update or rinse regenerating ion exchange resin.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Wherein, 1, soil sample processing system, 2, intensified by ultrasonic wave extracting system, 3, extract processing reutilization system, 4, mud
Water separating system, 5, soil sample pulverizer, 6, rotary screen, 7, conveyer belt, 8, elution groove, 9, charging aperture, 10, elution groove water-locator,
11st, the paddle agitator with ultrasonic probe, 12, elution groove mud discharging mouth, 13, elution groove discharge outlet, 14, filter plant water distribution
Device, the 15, first filter screen, the 16, second filter screen, the 17, the 3rd filter screen, the 18, first visuable door, 19, filter plant discharge outlet, 20, increase
Press pump, 21, ion exchange resin tank, 22, ion exchange resin tank water-locator, the 23, second visuable door, the 24, first ion exchange
Resin unit, the 25, second ion exchange resin unit, the 26, the 3rd ion exchange resin unit, 27, ion exchange resin tank row
The mouth of a river, 28, extract collecting-tank, 29, elevator pump, 30, flowmeter, 31, hydrocyclone, 32, hydrocyclone
Mud discharging mouth, 33, repair after soil recovery pond, 34, hydrocyclone discharge outlet, 35, collecting-tank.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
Referring to Fig. 1, a kind of prosthetic device of extraction heavy metal in soil, including soil sample processing system 1, soil sample processing system
1 outlet is connected with intensified by ultrasonic wave extracting system 2, and the mud mouth of intensified by ultrasonic wave extracting system 2 is connected with mud-water separation system
System 4, the delivery port of intensified by ultrasonic wave extracting system 2 is connected with extract processing reutilization system 3, and sludge-water separating system 4
Recycle-water is connected to the porch that extract handles reutilization system 3, and the recycle-water of extract processing reutilization system 3 is connected to
The water inlet of intensified by ultrasonic wave extracting system 2.
Soil sample processing system 1 includes soil sample pulverizer 5, and the port of export of soil sample pulverizer 5 is connected with rotary screen 6, rotary screen 6
Sieve aperture be set to 2mm, soil can be made to contact more abundant with extract, the port of export of rotary screen 6 is connected to super by conveyer belt 7
The charging aperture 9 of sound wave strengthening extraction system 2, conveyer belt 7 be arranged to dispose on rotatable conveyer belt, conveyer belt 7 it is several put hopper,
Controllable delivery rate and conveying amount.
The extract that intensified by ultrasonic wave extracting system 2 is included in elution groove 8, elution groove 8 can choose the good surface of effect and live
Property agent, chelating agent etc., charging aperture 9 is arranged on the side of elution groove 8, and the opposite side of elution groove 8 is connected by eluting groove discharge outlet 13
Extract processing reutilization system 3 is connected to, the top of elution groove 8 is provided with elution groove water-locator 10, the top of elution groove water-locator 10
Portion is provided with water inlet, and the bottom of elution groove water-locator 10 is provided with the paddle agitator 11 with ultrasonic probe, elutes the bottom of groove 8
Portion is connected to sludge-water separating system 4 by eluting groove mud discharging mouth 12.
Sludge-water separating system 4 includes the hydrocyclone 31 for being arranged on the downside of elution groove mud discharging mouth 12, hydraulic cyclone
The bottom of separator 31 is connected to soil recovery pond 33, hydrocyclone separation technology after reparation by hydrocyclone mud discharging mouth 32
The side of device 31 is connected with collecting-tank 35 by hydrocyclone discharge outlet 34, and the port of export of collecting-tank 35 is connected to extraction
Liquid handles the porch of reutilization system 3.
Extract processing reutilization system 3 includes being disposed with the first filter from top to bottom in filter plant, filter plant
Net 15, the second filter screen 16 and the 3rd filter screen 17, the filter opening diameter of the first filter screen 15, the second filter screen 16 and the 3rd filter screen 17 is respectively
100 μm, 50 μm, 1 μm, extract can be efficiently purified, plug ion exchanger resin is prevented and treated, filter plant is visual provided with first
Filter plant water-locator 14 is provided with the top of door 18, filter plant, the port of export for eluting groove discharge outlet 13 and collecting-tank 35 is equal
The top entry of filter plant water-locator 14 is connected to by booster pump 20, the bottom of filter plant passes through filter plant discharge outlet
19 are connected in ion exchange resin tank 21, ion exchange resin tank 21 and are disposed with the first ion exchange resin from top to bottom
Unit 24, the second ion exchange resin unit 25 and the 3rd ion exchange resin unit 26, the first ion exchange resin unit 24,
The end of second ion exchange resin unit 25 and the 3rd ion exchange resin unit 26 is equipped with the second visuable door 23, and ion is handed over
The top for changing resin container 21 is provided with ion exchange resin tank water-locator 22, and filter plant discharge outlet 19 is connected to ion exchange resin
The top entry of tank water-locator 22, the bottom of ion exchange resin tank 21 is connected with extraction by ion exchange resin tank discharge outlet 27
Liquid collecting-tank 28 is taken, the port of export of extract collecting-tank 28 is connected at the top of elution groove water-locator 10 by elevator pump 29 enters water
Mouthful, and it is provided with flowmeter 30 between elevator pump 29 and the top water inlet of elution groove water-locator 10.
The operating process to the present invention is described in detail below：
The present invention include soil pretreatment system 1, intensified by ultrasonic wave extracting system 2, sludge-water separating system 3, at extract
Manage reutilization system 4.Soil sample processing system includes soil sample pulverizer 5, and the connection rotary screen 6 of soil sample pulverizer 5, rotary screen 6 is connected
Conveyer belt 7；Intensified by ultrasonic wave extracting system 2 includes the charging aperture 9 that elution groove 8 is connected to by conveyer belt 7, elution groove 8 top
Provided with elution groove water-locator 10, the lower end of elution groove water-locator 10 is provided with the paddle agitator 11 with ultrasonic probe, elutes groove 8
Right side opens up elution groove discharge outlet 13, and elution groove 8 lower end is provided with elution groove mud discharging mouth 12；It is super that sludge-water separating system 4 includes connection
The hydrocyclone 31 of the elution groove mud discharging mouth 12 of sound wave strengthening extraction system 3, the waterpower rotation of hydrocyclone 31
Stream separator mud discharging mouth 32 is connected to soil recovery pond 33, the hydrocyclone draining of hydrocyclone 31 after reparation
Mouth 34 is connected to collecting-tank 35；Extract processing reutilization system 3 includes the booster pump 20 being connected on filter plant, booster pump
Filter plant water-locator 14 on 20 connection filter plants, the lower end of filter plant water-locator 14 sets gradually the first filter screen 15, the
Two filter screens 16, the 3rd filter screen 17, the filter plant delivery port 19 of filter plant are connected to ion exchange resin tank 21, ion exchange resin
The first ion exchange resin unit 24, the second ion exchange resin unit 25, the 3rd ion exchange resin are provided with swap tank 21
Unit 26, the ion exchange resin that ion exchange resin fills 21 fills the connection extract of discharge outlet 27 collecting-tank 28；Extract catchments
Pond 28 connects the elution groove water-locator 10 on elevator pump 29, the connection flow gauge 30 of elevator pump 29, the connection elution groove 8 of flowmeter 30.
In use, the present invention will take quantitative heavy metal pollution soil sample to determine its physicochemical property, after it is follow-up according to property adjustments
Extract details.After pollution soil sample is pre-processed through soil sample pulverizer 5 and rotary screen 6, intensified by ultrasonic wave extraction is delivered to by conveyer belt 7
Take system 2.
Pretreated contaminated soil is entered after intensified by ultrasonic wave extracting system 2 by charging aperture 9, in elution groove 8
Extract (surfactant, chelating agent etc.) extracting heavy metal.Wherein first pass through the extraction of the appropriate ratio of cloth of elution groove water-locator 10
Liquid is taken, when water and soil is mixed by the paddle agitator 11 with ultrasonic probe and extracts appropriate by intensified by ultrasonic wave
Between, soil sampling detection heavy metal it is up to standard after by extract from discharge outlet 13 be discharged to extract processing reutilization system 3 in, soil sample by
Elution groove mud discharging mouth 12 is discharged in sludge-water separating system 4.
Soil sample enters to be carried out water sample after Tu Shui separation, separation by hydrocyclone 31 and passes through in sludge-water separating system 4
Hydrocyclone discharge outlet 34 is discharged into extract processing reutilization system 3, and the soil sample after separating treatment is revolved by waterpower
Stream separator mud discharging mouth 32 is drained into after reparation in soil recovery pond 33.
The extract discharged by the discharge outlet 13 of intensified by ultrasonic wave extracting system 2 passes sequentially through extract processing reutilization system
First filter screen 15 of filter plant, the second filter screen 16 and the 3rd filter screen 17 in 3, water sample after filtering is through filter plant discharge outlet
19 enter in ion exchange resin tank 21.The first ion exchange resin unit 24, second is provided with ion exchange resin tank 21
The ion exchange resin unit 26 of ion exchange resin unit 25 and the 3rd, can be adjusted by the property of soil and the species of extract
The species and consumption of ion exchange resin.Filter plant and ion exchange resin are filled all is equipped with visuable door sideways, filter screen and from
Sub-exchange resin can be substituted by observing and detecting actual conditions.Water sample is discharged into extract collection after filling 21 through ion exchange resin
In pond 28, extract parameter Posterior circle is used in intensified by ultrasonic wave extracting system 2 in regulation extract collecting-tank 28, wherein
The lifting speed of elevator pump 29 is controlled by flowmeter 30.
Claims (10)
1. a kind of prosthetic device for extracting heavy metal in soil, it is characterised in that including soil sample processing system (1), soil sample processing
The outlet of system (1) is connected with intensified by ultrasonic wave extracting system (2), and the mud mouth of intensified by ultrasonic wave extracting system (2) is connected with
Sludge-water separating system (4), the delivery port of intensified by ultrasonic wave extracting system (2) is connected with extract processing reutilization system (3), and
The recycle-water of sludge-water separating system (4) is connected to the porch of extract processing reutilization system (3), and extract processing is recycled
The recycle-water of system (3) is connected to the water inlet of intensified by ultrasonic wave extracting system (2).
2. a kind of prosthetic device for extracting heavy metal in soil according to claim 1, it is characterised in that described soil sample
Processing system (1) includes soil sample pulverizer (5), and the port of export of soil sample pulverizer (5) is connected with rotary screen (6), rotary screen (6)
The port of export is connected to the charging aperture (9) of intensified by ultrasonic wave extracting system (2) by conveyer belt (7).
3. a kind of prosthetic device for extracting heavy metal in soil according to claim 2, it is characterised in that described ultrasound
Ripple strengthening extraction system (2) includes elution groove (8), and charging aperture (9) is arranged on the side of elution groove (8), elutes the another of groove (8)
Side is connected to extract processing reutilization system (3) by eluting groove discharge outlet (13), and the top of elution groove (8) is provided with elution groove
Water-locator (10), the top of elution groove water-locator (10) is provided with water inlet, and the bottom of elution groove water-locator (10) is provided with super
The paddle agitator (11) of sonic probe, the bottom of elution groove (8) is connected to mud-water separation system by eluting groove mud discharging mouth (12)
Unite (4).
4. a kind of prosthetic device for extracting heavy metal in soil according to claim 3, it is characterised in that described muddy water
Piece-rate system (4) includes being arranged on the hydrocyclone (31) on the downside of elution groove mud discharging mouth (12), hydrocyclone
(31) bottom is connected to soil recovery pond (33), hydrocyclone separation technology after reparation by hydrocyclone mud discharging mouth (32)
The side of device (31) is connected with collecting-tank (35) by hydrocyclone discharge outlet (34), and the port of export of collecting-tank (35) connects
It is connected to the porch of extract processing reutilization system (3).
5. a kind of prosthetic device for extracting heavy metal in soil according to claim 3, it is characterised in that described extraction
Liquid processing reutilization system (3) includes being provided with filter plant water-locator (14) at the top of filter plant, filter plant, elutes groove
The port of export of discharge outlet (13) and collecting-tank (35) is connected to the top entry of filter plant water-locator (14), filter plant
Bottom is connected to ion exchange resin tank (21) by filter plant discharge outlet (19), and ion exchange resin tank is set at the top of (21)
There is ion exchange resin tank water-locator (22), filter plant discharge outlet (19) is connected to ion exchange resin tank water-locator (22)
Top entry, the bottom of ion exchange resin tank (21) is connected with extract by ion exchange resin tank discharge outlet (27) and catchmented
Pond (28), the port of export of extract collecting-tank (28) is connected to the water inlet at the top of elution groove water-locator (10).
6. a kind of prosthetic device for extracting heavy metal in soil according to claim 5, it is characterised in that elution groove draining
The port of export of mouth (13) and collecting-tank (35) is connected to the top entry of filter plant water-locator (14) by booster pump (20).
7. a kind of prosthetic device for extracting heavy metal in soil according to claim 5, it is characterised in that extract catchments
The port of export in pond (28) is connected to the water inlet at the top of elution groove water-locator (10) by elevator pump (29), and elevator pump (29) and
Elute and be provided with flowmeter (30) at the top of groove water-locator (10) between water inlet.
8. a kind of prosthetic device for extracting heavy metal in soil according to claim 5, it is characterised in that in filter plant
The first filter screen (15), the second filter screen (16) and the 3rd filter screen (17) are disposed with from top to bottom；Ion exchange resin tank (21)
In be disposed with from top to bottom the first ion exchange resin unit (24), the second ion exchange resin unit (25) and the 3rd from
Sub-exchange resin unit (26).
9. a kind of prosthetic device for extracting heavy metal in soil according to claim 5, it is characterised in that filter plant
Side is provided with the first visuable door (18), and the side of ion exchange resin tank (21) is provided with the second visuable door (23).
10. a kind of method for extracting heavy metal in soil, using the extraction soil described in claim 1 to any one of claim 9
The prosthetic device of heavy metal in earth, it is characterised in that after pollution soil sample is pre-processed through soil sample processing system (1), into ultrasonic wave
Strengthening extraction system (2) carries out intensified by ultrasonic wave extraction, and after soil sample heavy metal analysis is up to standard, extract is discharged at extract
Manage in reutilization system (3), the soil sample after extraction is discharged in sludge-water separating system (4), and the water sample after separation is also discharged to extract
Handle in reutilization system (3), the extract for handling reutilization system (3) recovery through extract is discharged into intensified by ultrasonic wave extraction system
Reused in system (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710471107.8A CN107185953B (en) | 2017-06-20 | 2017-06-20 | Repairing device and method for extracting heavy metals in soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710471107.8A CN107185953B (en) | 2017-06-20 | 2017-06-20 | Repairing device and method for extracting heavy metals in soil |
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| Publication Number | Publication Date |
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| CN107185953A true CN107185953A (en) | 2017-09-22 |
| CN107185953B CN107185953B (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710471107.8A Active CN107185953B (en) | 2017-06-20 | 2017-06-20 | Repairing device and method for extracting heavy metals in soil |
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| CN109180541A (en) * | 2018-09-04 | 2019-01-11 | 陕西科技大学 | The method and recovery method of Cd in a kind of functional ionic liquids and preparation method thereof, intensified by ultrasonic wave washed off soil |
| CN112122322A (en) * | 2020-09-09 | 2020-12-25 | 季丹萍 | Contaminated soil fertility-increasing and repairing system and treatment process |
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| CN101879519A (en) * | 2010-01-18 | 2010-11-10 | 王鹤立 | Ultrasonic in situ extraction process for remediating heavy metal-polluted soil |
| WO2017071104A1 (en) * | 2015-10-27 | 2017-05-04 | 华东理工大学 | Combined soil washing desorption method and device |
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| CN109180541A (en) * | 2018-09-04 | 2019-01-11 | 陕西科技大学 | The method and recovery method of Cd in a kind of functional ionic liquids and preparation method thereof, intensified by ultrasonic wave washed off soil |
| CN112122322A (en) * | 2020-09-09 | 2020-12-25 | 季丹萍 | Contaminated soil fertility-increasing and repairing system and treatment process |
| CN112122322B (en) * | 2020-09-09 | 2022-04-19 | 季丹萍 | Contaminated soil fertility-increasing and repairing system and treatment process |
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| Publication number | Publication date |
|---|---|
| CN107185953B (en) | 2023-05-26 |
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